package main;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Properties;


public class Test {

	/**
	 * @param args
	 */
	public static void modify(Integer k){
			
			k=k+1;
	}
	public static void main(String[] args) {

		Integer m = new Integer(0);
		System.out.println(m);

		modify(m);
		System.out.println(m);
		
	}

}
